Speedway

File:Kuffner-Sternwarte - das Heliometer-1128-32.jpg

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Summary

Description
Deutsch: Kuffner Sternwarte, Wien, Das Heliometer

Ursprüngliche technische Daten Objektivdurchmesser: 21,7cm Objektivbrennweite: 300cm Montierung: Deutsche parallaktische Montierung Nachführung: Uhrwerkantrieb Baujahr: 1893

Historische Bedeutung Das Heliometer der Kuffner-Sternwarte war ursprünglich ein Meßinstrument, mit dem sehr kleine Winkel gemessen werden konnten. Von dieser sehr seltenen Gerätegattung ist es das größte der Welt!

Haupteinsatzgebiet war die Messung von Fixsternparallaxen, also die Ermittlung von Entfernungen von Fixsternen.

Die Optik stammt wieder von Steinheil, München, die Mechanik von Repsold & Söhne, Hamburg. Das Heliometer wurde 1893 geliefert und 1896 in Betrieb genommen.
,
  This media shows the protected monument with the number 41669 in Austria. (Commons, de, Wikidata)
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Author

Hubertl

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© Hubertl / Wikimedia Commons / 
© Hubertl / Wikimedia Commons
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Deutsch: Dieses Foto wurde von Hubertl erstellt und unter nachfolgend aufgeführter Lizenz veröffentlicht. Das Bild kann frei verwendet werden solange der Urheber, die Quelle (Wikimedia Commons) und die Lizenz (CC-BY-SA 4.0) in erkennbarem Zusammenhang mit dem Bild genannt wird.

English: This photograph was taken by Hubertl and released under the license(s) stated below. You are free to use it for any purpose as long as you credit the author, the Source (Wikimedia Commons) and the license (CC-BY-SA 4.0) in close relation to the image.


Belegexemplar erbeten / voucher copy requested → hubert.laska[at]gmx.at





Camera location48° 12′ 45.81″ N, 16° 17′ 29″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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Kuffner observatory

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URL: https://commons.wikimedia.org/wiki/user:Hubertl
Wikimedia username: Hubertl
author name string: Hubertl
object of statement has role: photographer

copyright status

copyrighted

copyright license

Creative Commons Attribution-ShareAlike 4.0 International

Commons quality assessment

Wikimedia Commons quality image

source of file

original creation by uploader

coordinates of the point of view

48°12'45.81000"N, 16°17'28.99799"E

inception

16 November 2015

captured with

Canon EOS 6D

location of creation

Ottakring

ISO speed

200

exposure time

5 second

f-number

7.1

focal length

11 millimetre

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Date/TimeThumbnailDimensionsUserComment
current16:35, 18 November 2015Thumbnail for version as of 16:35, 18 November 20154,652 × 3,622 (10.24 MB)Hubertl

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Quelle: https://en.wikipedia.org/wiki/File:Kuffner-Sternwarte_-_das_Heliometer-1128-32.jpg